It is not good to rotate the soldering pin. It is better to be all fixed from the center to the outside. Or it is desirable that the soldering cutouts of all the pins are fixed facing upward when the company name stamp is down. Work is troublesome because it rotates at present.

When soldering the wire to the connector it was quite a bit owing to its small size. Because the space between the installation lines is narrow, insulation became worse unless you insert the insulated tube